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@ARTICLE{Prado:34058,
      author       = {Prado, L. and Wittich, H. and Schulte, K. and Goerigk, G.
                      and Garamus, V. M. and Willumeit, R. and Vetter, S. and
                      Ruffmann, B. and Nunes, T.},
      title        = {{A}nomalous {S}mall-{A}ngle {X}-{R}ay {S}cattering
                      {C}haracterization of {C}omposites {B}ased on {S}ulfonated
                      {P}oly(ether ether ketone), {Z}irconium {P}hosphates, and
                      {Z}irconium {O}xide},
      journal      = {Journal of polymer science / B},
      volume       = {42},
      issn         = {0887-6266},
      address      = {Bognor Regis [u.a.]},
      publisher    = {Wiley},
      reportid     = {PreJuSER-34058},
      pages        = {567 - 575},
      year         = {2003},
      note         = {Record converted from VDB: 12.11.2012},
      abstract     = {The morphology and distribution of zirconium oxide and
                      zirconium phosphates in a matrix of sulfonated poly(ether
                      ether ketone) (SPEEK) were investigated with anomalous
                      small-angle X-ray scattering (ASAXS) and electron
                      microscopy. ASAXS revealed that ZrO2 was distributed in the
                      SPEEK matrix in the form of nanoparticles smaller than 13
                      Angstrom. A decrease in the conductivity suggested that the
                      sulfonic groups were bound to the zirconium oxo species at
                      the particle surface. Furthermore, two kinds of membranes
                      containing zirconium phosphate were investigated. In one
                      case, the phosphate was directly dispersed in the polymer
                      solution for the casting of the membrane. In the other case,
                      the phosphate was previously treated with n-propyl ammonium
                      and polybenzimidazole. From ASAXS data, the fractal
                      dimension could be estimated. Mass-fractal behavior was
                      confirmed for the SPEEK membrane containing previously
                      exfoliated zirconium phosphate, with aggregates of 6.3-165
                      Angstrom. Surface-fractal behavior was detected for
                      membranes with untreated phosphates, with aggregates of
                      6.4-185 Angstrom. The untreated phosphates caused an
                      increase in the permeability, without changing the proton
                      conductivity much. (C) 2003 Wiley Periodicals, Inc.},
      keywords     = {J (WoSType)},
      cin          = {IFF-STM},
      ddc          = {530},
      cid          = {I:(DE-Juel1)VDB33},
      pnm          = {Kondensierte Materie},
      pid          = {G:(DE-Juel1)FUEK242},
      shelfmark    = {Polymer Science},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000188196800020},
      doi          = {10.1002/polb.10764},
      url          = {https://juser.fz-juelich.de/record/34058},
}